\documentclass{standalone}
\usepackage{tikz}
\usepackage{ctex,siunitx}
\setCJKmainfont{Noto Serif CJK SC}
\usepackage{tkz-euclide}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{circuitikz}
\usetikzlibrary{patterns, calc}
\usetikzlibrary {decorations.pathmorphing, decorations.pathreplacing, decorations.shapes}
\ctikzset{bipoles/length=1cm}
\begin{document}
\small
\begin{circuitikz}[>=latex, yscale=0.7]
  % \useasboundingbox(0.9,0)rectangle(5.1,5);
\draw (2.5,0) to [battery] (0,0)--(0,3)--(1,3);
\draw (2.5,0) to [cute open switch=$K$](5,0)-- (5,3)-- (4,3);
\draw (1,3)--(1,3.75) to [lamp=$A$] (4,3.75)--(4,3);
\draw (1,3)--(1,2.25) to [L=$L$] (4,2.25)--(4,3);
\draw [<-](2,3.75)--(1.5,3.75)node [above]{$I$};
\draw [->](2,2.25)--(1.5,2.25);
\end{circuitikz}
\end{document}